FXUS64 KFWD 100119
AFDFWD
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FORT WORTH TX
719 PM CST WED DEC 9 2009
.UPDATE...
WITH THE EVENING UPDATE THE PRIMARY FORECAST CHANGE WAS TO TIME
THE EXIT OF THE THICKER BATCH OF CIRRUS CLOUDS MOVING EAST OVER
NORTHERN PORTIONS OF THE FORECAST AREA THIS AFTERNOON AND EVENING.
WITH THE BULK OF THESE HIGH CLOUDS CONTINUING EAST...FEEL THAT
OVERNIGHT LOWS ARE IN GOOD SHAPE AND THEREFORE DID NOT MAKE ANY
CHANGES AS AREA DEW POINT VALUES REMAIN IN THE LOWER TEENS WHICH
SHOULD ALLOW TEMPERATURE TO FALL QUICKLY AFTER SKIES CLEAR. NO
OTHER SIGNIFICANT CHANGES MADE TO THE FORECAST.
CAVANAUGH
&&
.AVIATION...
00Z TAF PACKAGE
VFR CONDITIONS WILL PREVAIL THE NEXT 24-30 HOURS. SCATTERED TO
BROKEN MID LEVEL ALTOCUMULUS CLOUDS COVER NORTH TEXAS THIS EVENING
BUT WILL LIKELY SEE THE SKIES CLEAR BY MID EVENING. NORTHWEST TO
NORTHEAST WINDS AROUND 6 KTS ARE EXPECTED OVERNIGHT. ON
THURSDAY...THE WINDS WILL GRADUALLY BECOME EASTERLY BY THE
AFTERNOON HOURS BUT REMAIN AT LESS THAN 10 MPH.
82/JLD
&&
.PREV DISCUSSION... /ISSUED 305 PM CST WED DEC 9 2009/
COLD HIGH PRESSURE IN CONTROL OF NORTH TEXAS WEATHER THIS
AFTERNOON WITH TEMPERATURES GENERALLY IN THE 30S ACROSS THE
REGION. THERE IS SOME HIGH CLOUDINESS STREAMING ACROSS THE AREA
AND SOME MOISTURE LOCATED AROUND 750MB WHICH WILL CROSS THE AREA
OVERNIGHT. THESE THINGS WILL INHIBIT OPTIMAL RADIATIONAL COOLING
BUT COLD ADVECTION WILL CONTINUE AT LEAST FOR THE NEXT SEVERAL
HOURS. WITH THE COLD TEMPS ALREADY IN PLACE...SHOULD SEE OVERNIGHT
LOWS DROP INTO THE LOW 20S MOST LOCATIONS...WITH SOME TEENS IN
OUTLYING AREAS TO THE NORTH. IF CLOUDS ARE A LITTLE THICKER MAY
HAVE TO RAISE UP LOWS FOR TONIGHT WITH THE EVENING UPDATE.
OTHERWISE...SURFACE HIGH WILL DRIFT TO THE EAST DURING THE DAY
THURSDAY WITH COLD TEMPERATURES REMAINING IN PLACE. HIGHS ON
THURSDAY WILL BE IN THE 40S.
FAST ZONAL FLOW REMAINS IN PLACE FOR THE END OF THE WEEK WITH A
WEAK DISTURBANCE MOVING ACROSS BY FRIDAY. ISENTROPIC ASCENT
INCREASES THURSDAY NIGHT WITH SOME LIGHT RAIN OR DRIZZLE
DEVELOPING BY FRIDAY. RIGHT NOW IT APPEARS THAT TEMPS WILL BE
ABOVE FREEZING BEFORE ANY PRECIP DEVELOPS. SLIGHT RAIN CHANCES
WILL REMAIN IN PLACE THROUGH SATURDAY WITH TEMPERATURES WARMING
THROUGH THE WEEKEND. NEXT SYSTEM APPROACHES EARLY NEXT WEEK WITH
GUIDANCE SHOWING A FRONT APPROACHING BY TUESDAY NOW. WILL HAVE
SOME SLIGHT CHANCE RAIN POPS IN FOR MONDAY.
&&
.PRELIMINARY POINT TEMPS/POPS...
DALLAS-FT. WORTH, TX 22 44 32 46 39 / 0 0 10 20 20
WACO, TX 25 47 35 46 43 / 0 0 10 30 20
PARIS, TX 18 43 28 44 35 / 0 0 10 20 20
DENTON, TX 15 42 29 43 36 / 0 0 10 20 20
MCKINNEY, TX 17 43 29 43 36 / 0 0 10 20 20
DALLAS, TX 23 46 33 46 41 / 0 0 10 20 20
TERRELL, TX 23 46 30 44 39 / 0 0 10 20 20
CORSICANA, TX 24 47 32 45 42 / 0 0 10 30 20
TEMPLE, TX 25 48 35 48 43 / 0 0 10 30 20
&&
.FWD WATCHES/WARNINGS/ADVISORIES...
NONE.
&&
$$
